allowing crypto_kernel_init() to be called multiple times
allowing crypto_kernel_init() to be called multiple times

Distrotech/libsrtp,cuijinquan/libsrtp,Distrotech/libsrtp,cuijinquan/libsrtp,cuijinquan/libsrtp,ksophocleous/libsrtp,yarrcc/libsrtp-ios,persmule/libsrtp,persmule/libsrtp,yarrcc/libsrtp-ios,ksophocleous/libsrtp,persmule/libsrtp,yarrcc/libsrtp-ios